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Finding the Fourth Proportional to 78,112.08, 107,795.72 and 43,655.30

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Solution

The fourth proportional to 78,112.08, 107,795.72 and 43,655.30 is: 60,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,112.08 : 107,795.72 = 43,655.30 : x
  2. Step 2: Convert to fraction form
    78,112.08/107,795.72 = 43,655.30/x
  3. Step 3: Cross multiply
    78,112.08x = 107,795.72 × 43,655.30
  4. Step 4: Simplify right side
    78,112.08x = 4,705,854,495.32
  5. Step 5: Solve for x
    x = 4,705,854,495.32/78,112.08
  6. Step 6: Final answer
    x = 60,244.90

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